20585356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2351}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18928244

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2351, 4378, 4702, 8756, 9404, 25861, 51722, 103444, 467849, 935698, 1871396, 5146339, 10292678, 20585356]

約数ペア:

[(1, 20585356), (2, 10292678), (4, 5146339), (11, 1871396), (22, 935698), (44, 467849), (199, 103444), (398, 51722), (796, 25861), (2189, 9404), (2351, 8756), (4378, 4702)]